ECO E14 · Queen's Indian Defense

Queen's Indian Defense: Spassky System3

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5

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White to move. The arrow shows Stockfish’s best move.
Best move

6. Nc3+0.36

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Queen's Indian Defense: Spassky System3 (E14), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5, Stockfish 18 recommends 6. Nc3 for White. White is slightly better (+0.36).

Top engine moves

  1. +0.366. Nc3 Be7 7. O-O cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 O-O
  2. +0.356. O-O cxd4 7. exd4 Be7 8. Nc3 d5 9. cxd5 Nxd5 10. Ne5 O-O
  3. +0.036. a3 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. O-O Be7 10. Qe2 Nd7

Other move orders

  • 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. Nc3 cxd4 7. exd4 Be7 8. O-O d5 9. cxd5 Nxd5

Frequently asked questions

What is the best move in the Queen's Indian Defense: Spassky System3?
After 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5, Stockfish 18 at depth 18 recommends 6. Nc3 for White, continuing Be7 7. O-O cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 O-O. White is slightly better (+0.36). The next best moves are 6. O-O (+0.35) and 6. a3 (+0.03).
Is the Queen's Indian Defense: Spassky System3 a good opening?
Stockfish rates the position at +0.36: white is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Queen's Indian Defense: Spassky System3?
E14. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).